A shape developped for the largest birds with long feathers on the back (vultures, eagles, storks).
- weight: 49g
- dimensions: 85 x 17 x 15 mm
- most frequently used colors: brown, grey, white
Handles finetuned to ease the harness application
Extended and elevated solar panel area (almost double the size comparing to basic backpack models)
Extended battery capacity
Also available in several variants with extended solar panel area for energy and data intensive studies